Mailman 3 December 2010 - Tkinter-discuss

Control position of Tkinter common dialogs?
by python＠bdurham.com Dec. 9, 2016

Dec. 9, 2016

Python 2.7 under Windows: How can we control the position of Tkinter's common dialogs? Here's what we've discovered: * Certain common dialogs always open up relative to their parent window * Certain common dialogs always open up centered on the user's desktop * All common dialogs appear to ignore the optional parent= parameter Questions: * How can we force a dialog to open up relative to its parent window? * How can we force a dialog to open up centered on the user's desktop? Background: import tkColorChooser as colorchooser import tkFileDialog as filedialog import tkMessageBox as messagebox # always open up relative to parent windows fileOpen = filedialog.askopenfilename() fileOpens = filedialog.askopenfilenames() fileSaveAs = filedialog.asksaveasfilename() color = colorchooser.askcolor() # always open up centered on desktop folderOpen = filedialog.askdirectory() messagebox.askquestion() Malcolm

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ttk.Notebook - how to bind to tab events (tab caption has focus or mouseover)
by python＠bdurham.com May 9, 2012

May 9, 2012

I'm using the ttk.Notebook widget. What object do I bind to capture events related to specific tabs? I would like to trap when a tab caption gets keyboard focus ('<FocusIn>') and when the mouse pointer is over a specific tab caption ('<Enter>'). I can trap mouse clicks on tabs (<Button-1>, <Button-3>), but I can't find a way to determine what tab a user clicked on in the case of a right click. Thank you, Malcolm

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Re-arrange ttk.treeview columns via drag and drop?
by python＠bdurham.com Dec. 31, 2010

Dec. 31, 2010

Is there a way to for users to re-arrange column order in the ttk.treeview widget? Many grid-like user interfaces allow a user to drag and drop columns to change column order. Any such capability present in the ttk.treeview widget? Thank you, Malcolm

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Tkinter accessability options
by python＠bdurham.com Dec. 30, 2010

Dec. 30, 2010

I'm cross-posting this thread from python-list. > Not all the people were happy because the darkness disappeared partially for some of them and more and more blind people started to use a computer, and discovered that the Tk interfaces are absolutely inaccessible for them. Might this package help? (I have no experience with this project) Tka11y 0.1.1 - accessibility-aware Tkinter http://pypi.python.org/pypi/Tka11y Another idea: Use Tkinter's <Enter> events to speak TTS descriptions of the current control and/or its contents? I would love to hear from anyone using either of these techniques ... or other techniques or screen reader products ... to make their Tkinter applications accessible to low vision/blind users. Malcolm

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[Fwd: Re: Use underline]
by craf Dec. 29, 2010

Dec. 29, 2010

--------- Mensaje reenviado -------- > De: python(a)bdurham.com > Para: craf <prog(a)vtr.net>, Python Tkinter Ingles > <tkinter-discuss(a)python.org> > Asunto: Re: [Tkinter-discuss] Use underline > Fecha: Wed, 29 Dec 2010 13:52:08 -0500 > > Cristian, > > You have to bind your Alt key presses separately. The underline= only > underlines the letter - it does not bind to an event handler. > > Here's a snippet that may give you some ideas. Disclaimer: I'm not sure > if its best practice or not. > > Malcolm > > > """ > Treat Alt+I as a shortcut keystroke for the Insert button > """ > > import Tkinter as tk > import ttk > > def onClick( event=None ): > if event: > print event.keysym, event.keysym_num, event.state > > # event.state == 131104 regardless of left or right alt > key > if event.keysym == 'i' and event.state == 131104: > pass > else: > return > > button1.focus_set() > entry1.delete( 0, 'end' ) > entry1.insert( 'end', '<Open clicked>' ) > > root = tk.Tk() > > style = dict( padx=24, pady=24 ) > entry1 = tk.Entry( root ) > entry1.pack( **style ) > entry2 = tk.Entry( root ) > entry2.pack( **style ) > > button1 = ttk.Button( root, text='Insert text', underline=0, > command=onClick ) > button1.pack( **style ) > > # bind shortcut keystrokes at the outermost container > root.bind( '<Key>', onClick ) > > root.mainloop() Thanks Malcom for the Tips! Regards. Cristian Abarzúa F.

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Use underline
by craf Dec. 29, 2010

Dec. 29, 2010

Hi. I wonder how I can run the code button when you press alt-h. Use underline, but I can not connect. code: import Tkinter class App: def __init__(self, master): self.root = master b = Tkinter.Button(self.root, text='Hello', underline=0) b.pack() b.bind('<Button-1>', function) def function(event): print 'Ok' master = Tkinter.Tk() app = App(master) master.mainloop() thanks in advance Regards. Cristian Abarzúa

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how to limit panel size
by craf Dec. 28, 2010

Dec. 28, 2010

Hi. There any way to limit the size of the panels a control ttk.Panedwindow. Regards. Cristian Abarzúa F.

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[Fwd: Re: Change control styles ttk.Scrollbar]
by craf Dec. 23, 2010

Dec. 23, 2010

--------- Mensaje reenviado -------- > De: Michael Lange <klappnase(a)web.de> > Para: tkinter-discuss(a)python.org > Asunto: Re: [Tkinter-discuss] Change control styles ttk.Scrollbar > Fecha: Thu, 23 Dec 2010 18:53:48 +0100 > > Hi, > > Thus spoketh craf <prog(a)vtr.net> > unto us on Thu, 23 Dec 2010 10:49:27 -0300: > > > Hi. > > > > Is it possible to change the background color of a control > > ttk.Scrollbar?. > > In its standard options is Style, but this seems not to work: > > > > Example: > > > > s.configure('TScrollbar', background='#cccccc') no works. > > > > Thanks in advance. > > Can you show a more detailed example of what you wanted to schieve and > what exactly happened? > I tried this short snippet, which works as expected: > > from Tkinter import * > import ttk > > root = Tk() > s=ttk.Style() > s.configure('TScrollbar', background='red') > sb = ttk.Scrollbar(root) > sb.pack(side='right', fill='y') > root.mainloop() > > Regards > > Michael > > > .-.. .. ...- . .-.. --- -. --. .- -. -.. .--. .-. --- ... .--. . .-. > > No one wants war. > -- Kirk, "Errand of Mercy", stardate 3201.7 > _______________________________________________ > Tkinter-discuss mailing list > Tkinter-discuss(a)python.org > http://mail.python.org/mailman/listinfo/tkinter-discuss Thanks Michael! Not because my example was not working and if yours. Anyway, your example helped me. Regards. Cristian

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Binding all children
by Vasilis Vlachoudis Dec. 23, 2010

Dec. 23, 2010

Hi all, Based on the previous threads I added the nice scrolled.py implementation of a ScrollFrame in my application and now I wanted to bind the Button-4&5 and MouseWheel events to the scrolled frame. My frames are a bit crowded therefore the real area that belongs to the client-scrolledframe is minimal the rest is buttons labels lists etc... Therefore when I bind the <Button-4>... on the frame, I never get the events when the cursor is above a label or any other widget (which is most of the time). For the moment after the creation of each frame I am calling a similar like the following function recursively def bind_childs(w): if w.bind("<4>"): return w.bind("<4>", button4) w.bind("<5>", button5) for child in w.winfo_children(): child.bind("<4>", button4) child.bind("<5>", button5) however I don't find it as a elegant and neat solution. Is there a way (like bind_all) to bind all children or to get the event if is is not handled by any of the children? Thanks in advance Vasilis

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Change control styles ttk.Scrollbar
by craf Dec. 23, 2010

Dec. 23, 2010

Hi. Is it possible to change the background color of a control ttk.Scrollbar?. In its standard options is Style, but this seems not to work: Example: s.configure('TScrollbar', background='#cccccc') no works. Thanks in advance. Regards. Cristian Abarzúa Ubuntu 9.10 - Gnome- Python 2.7

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